# 棋譜ドリル vs π ~ Pi Fun App.

The clearest difference is update cadence: π ~ Pi Fun App. at every 2 days against 棋譜ドリル's every 3 months. 棋譜ドリル's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

棋譜ドリル ships an update every 3 months, π ~ Pi Fun App. every 2 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | 棋譜ドリル | π ~ Pi Fun App. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 41 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yasushi Hino](https://appshunter.io/developer/1574490548) | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) |

## What reviewers say

### 棋譜ドリル

[App page](https://appshunter.io/ios/app/id1630647384)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### π ~ Pi Fun App.

[App page](https://appshunter.io/ios/app/pi-fun-app/id6566185298)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 棋譜ドリル free?

棋譜ドリル is free to download, with no in-app purchases.

### Is π ~ Pi Fun App. free?

π ~ Pi Fun App. is free to download, with no in-app purchases.

### Do 棋譜ドリル or π ~ Pi Fun App. have ads?

Both 棋譜ドリル and π ~ Pi Fun App. show ads.

### Which is updated more often, 棋譜ドリル or π ~ Pi Fun App.?

棋譜ドリル ships an update every 3 months, and π ~ Pi Fun App. every 2 days. Most recently, 棋譜ドリル was updated on October 27, 2026 and π ~ Pi Fun App. on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*